Compare two input voltages in your electronic circuit with this LM339DRG4 comparator circuit from Texas Instruments and output a digital or binary signal indicating the larger input. It has an open collector output. Its typical dual supply voltage is ±3|±5|±9|±12 V, with a minimum of ±1 V and maximum of ±15 V. This comparator has a minimum operating temperature of 0 °C and a maximum of 70 °C. This device uses one or two power supplies. It has 4 channels per chip. This device is made with bipolar technology.